Upper-middle class teen brothers and their newly-met stepsister take a road trip to the Mexico-U.S.bbbUpper-middleclassteenbrothersandtheirnewly-metstepsistertakearoadtriptotheMexico-U.S.borderinatenserevengejourneytotrackdownthemanresponsiblefortheaccidentthatcausedtheirfather'sdeath.详情